Merge "Prevent apps from spamming addAccountExplicitly. See comment here for the discussion on solution https://b.corp.google.com/issues/169762606#comment14" into rvc-dev am: c744a25d14 am: f577b865da am: 5c81b883bf

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15624560

Change-Id: I3281908ea55109c50395655a91bc38570db56e1f